* {
  margin: 0;
  padding: 0; }

ul {
  list-style: none; }

.plan {
  display: flex; }
  .plan .numbers {
    width: 90%;
    display: flex;
    flex-wrap: wrap;
    flex-direction: row-reverse;
    align-items: center;
    justify-content: center; }
    .plan .numbers li {
      text-align: center;
      width: 100px;
      height: 100px;
      border: 1px solid lightblue;
      border-radius: 4px;
      cursor: pointer;
      margin: 0 5px; }
  .plan .compute li {
    border: 1px solid lightblue;
    padding: 0px 4px;
    text-align: center;
    margin: 2px 0;
    cursor: pointer; }
